Home / 807,674.44-1,113,834.74-638,313.16

Finding the Fourth Proportional to 807,674.44, 1,113,834.74 and 638,313.16

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Solution

The fourth proportional to 807,674.44, 1,113,834.74 and 638,313.16 is: 880,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,674.44 : 1,113,834.74 = 638,313.16 : x
  2. Step 2: Convert to fraction form
    807,674.44/1,113,834.74 = 638,313.16/x
  3. Step 3: Cross multiply
    807,674.44x = 1,113,834.74 × 638,313.16
  4. Step 4: Simplify right side
    807,674.44x = 710,975,372,607.18
  5. Step 5: Solve for x
    x = 710,975,372,607.18/807,674.44
  6. Step 6: Final answer
    x = 880,274.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.